RT Journal Article SR Electronic T1 JAG provisional colonoscopy certification: does this sufficiently equip trainees with competencies in diagnostic colonoscopy? JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 143 OP 143 DO 10.7861/clinmedicine.19-2-s143 VO 19 IS Suppl 2 A1 Keith Siau A1 James Hodson A1 Steve Ward A1 Paul Dunckley YR 2019 UL http://www.rcpjournals.org/content/19/Suppl_2/143.abstract